End of Year Vocab Week 1

Front

What is non-point source pollution?

Back

Pollution from multiple, diffuse sources.

Front

What is an example of mutualism?

Back

Bees pollinating flowers.

Front

What is an example of a compound?

Back

Water (H2O).

Front

What is an example of an index fossil?

Back

A trilobite fossil.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is point source pollution?

Back

Pollution from a single, identifiable source.

Front

What is the definition of mutualism?

Back

A symbiotic relationship where both species benefit.

Front

What is the chemical formula for water?

Back

H2O.

Front

What is the significance of index fossils?

Back

They help determine the relative age of rock layers.

Front

What is a pure substance?

Back

A material with a constant composition that cannot be separated into simpler substances by physical means.